Senior management

Daniel Blum, President and CEO

Daniel Blum has served as President and CEO of Phelps Hospital since December 2014. Prior to joining Phelps as Senior Vice President in 2009, Mr. Blum served as Senior Vice President of White Plains Hospital Center, Vice President of Operations of Stellaris Health Network, and Operations Manager at St. Vincent’s Hospital and Medical Center in New York City. Mr. Blum began his healthcare career as a paramedic and paramedic instructor in New York City and worked at several New York City hospitals in a clinical and administrative capacity.

Mr. Blum holds a bachelor’s degree in philosophy and a master’s degree in healthcare administration, both from New York University. He is a member of the American College of Healthcare Executives and Medical Group Management Association. Mr. Blum is also Chairman of the NYS Department of Health Emergency Medical Advisory Council. Mr. Blum serves as collaborating administrative executive on Phelps’ Graduate Medical Education Committee and Chairman of the hospital’s affiliated child care center.

Tobe Banc, MD, Senior VP and Medical Director

Tobe Banc, MD, is Senior Vice President and Medical Director at Phelps Hospital.  She oversees all clinical activities and patient care policies and is involved in the strategic development and implementation of programs related to clinical services. Dr. Banc, who is board certified in internal medicine with a certificate of added qualification in geriatrics, is also Director of Senior Health and Internal Medicine, a hospital-based geriatric, internal medicine and palliative care practice that she started at Phelps in 2007.

Dr. Banc joined the Phelps medical staff in 2004 and one year later was appointed Medical Director at Kendal on Hudson, the continuing care retirement community located on the Phelps campus.  Prior to joining Phelps, she was director of palliative care education at the Geriatric Research, Education and Clinical Center (GRECC) of the Bronx VA Medical Center, an affiliate of Mount Sinai Hospital in New York City. While at the GRECC, Dr. Banc co-authored a curriculum in palliative care for a team of interdisciplinary fellows made up of doctors, nurses, pharmacists, social workers and pastoral care professionals.

Dr. Banc received her medical degree from New York University School of Medicine and completed a residency in internal medicine at the University of Connecticut, followed by a two-year fellowship in geriatrics at Mount Sinai Hospital. She is an assistant professor at New York Medical College in Valhalla, NY, and has presented nationally on palliative care and geriatrics. Dr. Banc is a member of the American Academy of Hospice and Palliative Care Medicine, the American College of Physicians, and the American Geriatrics Society.

Mary McDermott, Senior VP Patient Care Services & Chief Nursing Officer

Mary McDermott, MSN, RN, APRN, NE-BC, is Senior VP of Patient Care Services and Chief Nursing Officer at Phelps Hospital, where she oversees all inpatient and outpatient care services that employ nursing staff. She is accountable for more than 500 employees and has administrative oversight for the hospital’s operational and service excellence mandates.

Prior to coming to Phelps, Mary was Assistant VP of Nursing at the Hospital for Special Surgery in Manhattan for six years, where she developed and implemented strategic plans for nursing, including building, equipment, technology, performance improvement and patient care programs. From 2003 -2007, she was Administrative Director of Nursing and Director of Nursing, Professional Practice Programs, also at Hospital for Special Surgery.

Mary holds a Bachelor of Science in nursing from Adelphi University, a Master of Science in nursing from College of Mount Saint Vincent, a post-Master’s Certificate in nursing administration from Villanova University, and a Wharton Nursing Leaders Program certificate from the Wharton School.

James McCullagh, Associate Executive Director of Finance

James McCullagh is the Associate Executive Director of Finance for Phelps Hospital, where he is responsible for financial operations and reporting for the hospital. He also manages Phelps’ financial models in support of its strategic plan and decision support tools used to help direct operations.

Mr. McCullagh joined Northwell Health in 2011 and prior to Phelps, he most recently served as the Senior Director of Finance at Lenox Hill Hospital overseeing the financial operations of: the Manhattan based Northwell Health Physician Partners’ practices, Manhattan Eye, Ear, & Throat Hospital, and Lenox Health Greenwich Village. Prior to joining Northwell Health, he held financial positions at Memorial Sloan Kettering Cancer Center and Hackensack University Medical Center.

Mr. McCullagh received his Bachelor of Science degree in Finance from Fairfield University in Fairfield, CT and received his Master of Business Administration degree in Healthcare from The City University of New York Baruch College and Mount Sinai School of Medicine. He is a member of the Healthcare Financial Management Association.

Eileen Egan, RN, Esq, VP Quality Assurance, Risk Management & Governance

Eileen Egan, RN, Esq., is Vice President for Quality Assurance, Risk Management and Governance. She is responsible for implementing the hospital’s risk management program and in the past has served as the hospital’s Compliance Officer and Privacy and Security Officer for the Health Insurance Portability and Accountability Act (HIPAA). She is certified in healthcare compliance by the Health Care Compliance Association.

Ms. Egan has an extensive background in nursing and worked as a nurse at Phelps for 23 years after receiving a BS degree with a major in nursing from the College of New Rochelle. While at Phelps she pursued a law degree, receiving a JD from Pace University in 2004, and went to work as a malpractice defense attorney for two years at a Dutchess County law firm. Combining her two professional backgrounds, Ms. Egan returned to Phelps in 2007, where she held the position of Director of Quality Assurance/Risk Management and Corporate Compliance Officer for eight years.

In addition to being a member of the Health Care Compliance Association, Ms. Egan is a member of the New York State Bar Association and the American Society for Healthcare Risk Managers.


Robbins Gottlock, MD, VP and Associate Medical Director

Robbins Gottlock, MD, is Vice President and Associate Medical Director at Phelps Hospital. He has supervisory responsibility for Phelps Medical Associates and other employed physicians, the NYMC Phelps Family Medicine Residency Program, clinical trials and research, education and clinical information technology.

Dr. Gottlock began his medical career in 2002 at Beth Israel Hospital (now Mount Sinai Beth Israel). While at Beth Israel, he earned an MBA from the NYU Stern School of Business. In 2010, he briefly left the medical field to serve as a business consultant for the global Boston Consulting Group, handling clients that included pharmaceutical and biotech companies and health systems. He returned to Beth Israel in 2012, seeing patients and working as an internal consultant for senior administrators. When Beth Israel merged with Mount Sinai in 2014, Dr. Gottlock was asked to lead the hospital’s 100-physician outpatient multispecialty medical group.

A board-certified family medicine physician, Dr. Gottlock earned his medical degree at the University of Utah School of Medicine and completed his family medicine residency at Swedish Family Medicine at the University of Washington in Seattle. He has a special interest in providing healthcare for adolescents, adults and the LGBTQ community.

Jake Maijala, VP Human Resources & Medical Group Operations

Jake Maijala, FACHE, SPHR, MBA, MPsy is VP of Human Resources and Medical Group Operations at Phelps Hospital. He joined the hospital as Vice President of Human Resources in 2014 with more than 20 years of human resources leadership experience and proven success in healthcare, hospitality and financial services industries. In 2015, he assumed operations oversight for Phelps Medical Associates, the hospital’s primary and specialty care medical group.

Before joining Phelps, he served as Vice President of Human Resources at Cortland Regional Medical Center (CRMC) in Cortland, NY, with responsibility for human resources, education, employee health, volunteers, environmental services, food and nutrition services, safety and security.

Prior to his role at CRMC, Mr. Maijala served as the Director of Human Resources, Compensation, Benefits & HRIS (Human Resource Information System) at Bassett Healthcare Network, a healthcare system based in Cooperstown, NY, and the Vice President of Human Resources for Sprint Cruises Inc., a subsidiary of Sodexo Inc., based in Norfolk, Va.

Mr. Maijala holds a master’s degree in psychology from the University of Jyvaskyla in his native Finland and an MBA from SUNY-Empire State College. His professional achievements include a Senior Professional in Human Resources (SPHR) certification and a Fellow (FACHE) designation from the American College of Healthcare Executives.

William Reifer, VP Quality & Case Management

William Reifer, LCSW, is Vice President of Quality and Case Management. His primary responsibility is to ensure optimal patient care and safety.

Mr. Reifer joined Phelps in 1993 as Director of Social Work and subsequently held positions of progressive responsibility, including Director of Social Work and Discharge Planning, Director of Case Management, and Administrative Director of Geriatrics. In 2005, he became Assistant VP of Quality and Case Management.

Mr. Reifer served as chair of the Stellaris Health Network committee focused on pay-for-performance quality monitoring. The network earned a quality award from the Northern Metropolitan Hospital Association (NorMet) for their joint efforts in 2011.

Mr. Reifer began his professional career at Montefiore Medical Center, where he worked as a clinical social worker and developed an interest in the effect of illness and disability on families. His took this family perspective to a small school for disabled pre-school children, where he worked as a family support services supervisor.

In the early 1990s, Mr. Reifer moved to Sound Shore Medical Center, where he was Assistant Director of Social Work.

Mr. Reifer received his bachelor of arts degree in psychology from Lehman College of the City University of New York and his master’s degree in social work from Hunter College School of Social Work.

Helen Renck, MSN, RN, CJCP, JCC, VP Clinical Operations & Patient Safety Officer

As Vice President of Clinical Operations and Patient Safety Officer, Ms. Renck has oversight of ancillary clinical departments and the hospital’s patient safety program.

She is a certified Joint Commission Professional. She also holds certification in Just Culture, master training certification in Team STEPPS (educational programs that highlight tools and strategies to enhance communication, teamwork and patterns of behaviors that impact patient safety) and a certificate in patient safety from Harvard University.

Ms. Renck obtained her BSN from the College of New Rochelle and an MSN from Pace University. Prior to joining Phelps, she worked at Hospital for Special Surgery, where she had responsibilities for patient safety, Joint Commission accreditation, quality management and risk management.

Glen Taylor, VP Support Services

Glen Taylor, MS, RPh, is Vice President of Support Services at Phelps Hospital, where he oversees the departments of facility services, environmental services, food & nutrition services, information technology, pharmacy services and telecommunications.

Mr. Taylor has more than 20 years of leadership experience in hospital and health system settings. From 2003-2015, he was the Administrative Director of the Pharmacy Department at Greenwich Hospital, where he also served on safety and operations improvement committees involved with cost containment, nursing leadership, service excellence and safety resources. Prior to that position, he was Pharmacy Director at Lawrence Hospital Center and Assistant Director of Pharmacy Services at Mount Sinai Hospital.

Mr. Taylor, a licensed registered pharmacist in New York and Connecticut, has a bachelor of science degree in pharmacy from St. John’s University and a master of science degree in organizational leadership from Quinnipiac University. He is a member of the American Society of Health System Pharmacists and the American College of Healthcare Executives.

Medical Staff Leadership

Medical Staff Officers

  • Emil Nigro, M.D. – President
  • Michael McCormick, M.D. – Vice President
  • Peter Stein, M.D. – Secretary
  • Jay Weinberger, M.D. – Treasurer
  • Imaan Chowdhury, M.D. – Elected representative from Medicine
  • Vivek Venkatakrishnan, M.D. – Elected representative from Medicine
  • Jack Hershman, M.D. – Elected representative from Surgery
  • Avraham Merav, M.D. – Elected representative from Surgery
  • Lorraine Carpino – Director, Medical Staff Affairs

Medical Staff Department Directors

  • Matthew Cullen, M.D. – Interim Director, Department of Anesthesiology
  • Barry Geller, M.D. – Director, Department of Emergency Medicine
  • Monique Forsea, M.D. – Director, Department of Family Medicine
  • Arthur Fass, M.D. – Director, Department of Medicine
  • Lawrence Mendelowitz, M.D. – Director, Department of Obstetrics & Gynecology
  • Ali Tamsen, M.D. – Director, Department of Pathology
  • Mazen T. Khalifeh, M.D., M.B.A., F.A.A.P., – Director, Department of Pediatrics
  • L. Mark Russakoff, M.D. – Director, Department of Psychiatry
  • Janna Andrews, MD –  Director, Department of Radiation Medicine
  • Robert Perelman, M.D. – Director, Department of Radiology
  • Richard Peress, M.D. – Director, Department of Surgery

Medical Staff Section/Division Chiefs

  • Richard Becker, M.D. – Chief of Cardiology
  • Jeffrey Sturza, M.D. – Chief of Dermatology
  • Eric Wachs, D.M.D. – Chief of Dental/Oral Surgery
  • Floyd Byfield, M.D. – Chief of Gastroenterology
  • Richard Findling, M.D. – Assistant Section Chief of Gastroenterology
  • Robert Raniolo, M.D. – Chief of General Surgery
  • Anna Komorowski, MD – Interim Chief of Hematology/Oncology
  • Michael H. Miller, M.D. – Chief of Infectious Diseases
  • Louis Buzzeo, M.D. – Chief of Nephrology
  • (Position vacant) – Chief of Neurology
  • John Robbins, M.D. – Chief of Neurosurgery
  • Jean Tostanoski, M.D. – Chief of Ophthalmology
  • Gregg Cavaliere, M.D. – Chief of Orthopedics
  • Craig Zalvan, M.D. – Chief of Otorhinolaryngology
  • Vacant – Chief of Physical Medicine & Rehabilitation
  • Christian Guzman, M.D. – Chief of Plastic Surgery
  • John Cappa, D.P.M. – Chief of Podiatry
  • Gary Lehrman, M.D. – Chief of Pulmonary Medicine
  • (Vacant) – Chief of Thoracic Surgery
  • Jack Hershman, M.D. – Chief of Urology
  • Kenneth Goldstein, M.D. – Chief of Vascular Surgery

Board of Directors

Note from the Chairman

With some of the highest patient satisfaction scores in the nation, Phelps Hospital provides the residents of Westchester County and beyond with state-of-the-art medical care on a beautiful, 69-acre campus overlooking the Hudson River.

A proud member of Northwell Health — New York State’s largest healthcare system and largest private employer — Phelps consistently delivers the kind of leading-edge, fully integrated medical care that today’s savvy patients demand. We provide emergency, inpatient and outpatient medical and mental health services.

Our hospital is distinguished among our peers for excellence in urology, gastroenterology, hyperbaric medicine, robotic thoracic surgery and the latest orthopedic procedures for hip and knee replacement. Phelps is also the only community hospital in Westchester to offer both inpatient and outpatient physical rehabilitation, including aquatic therapy.

The Northwell Health Cancer Institute at Phelps offers innovative and supportive cancer services, including hematology and medical oncology, radiation oncology and infusion therapy. Our cancer specialists work closely with local surgeons so that patients can receive comprehensive and coordinated care close to home.

In addition to receiving exceptional healthcare on our main campus, our patients have easy access to the outpatient services of our primary and specialty care medical group, Phelps Medical Associates, with convenient locations in seven surrounding communities. Discerning patients looking for the very finest medical care certainly need look no further than Phelps.

Kenneth Taber
Board Chairman

Note from the President

Phelps Hospital is dedicated to serving you – our community family – 24 hours a day, every day of the year. Over 1,700 employees, 500 doctors and hundreds of volunteers are committed to provide you with quality, compassionate care.

Daniel Blum

Board of Directors

  • Kenneth Taber, Chair
  • Kenneth Miller, Vice Chair
  • Richard Sinni, Vice Chair
  • Bard E. Bunaes, Treasurer
  • Jim Goldsmith, Secretary
  • Daniel Blum, President
  • Patricia Armstrong
  • Tobe Banc, M.D.
  • John Barnes
  • Richard D. Goldstein
  • Aubrey Hawes
  • Loretta London
  • Fred Mascia
  • Andrew Merryman
  • Ralph A. Nappi
  • Emil Nigro, MD
  • Richard Peress, M.D.
  • Kevin Plunkett
  • Diane Potter
  • Peter Scherer
  • Joseph Schulman
  • Michael D. Sullivan
  • Louis Wachtel
  • Craig Zalvan, M.D.
  • Franklin H. Zimmerman, M.D.